转义字符 \"表示 "
String json1 = "{\"serviceCode\":" + "\"" + text11 + "\"" + ", \"appId\":" + "\"" + text12 + "\"" + ",\"appSecret\":" + "\"" + text13 + "\"" + ",\"params\":[{\"sceneAreaId\":" + "\"" + text9 + "\"" + ",\"regulationValue\":" + "\"" + text10 + "\"" + "}]}";
在postman中美化后：
{
"serviceCode": "1",
"appId": "1",
"appSecret": "1",
"params": [
{
"sceneAreaId": "1",
"regulationValue": "111"
}
]
}